Ke$ha checks into rehab for eating disorder

FILE - In this Sept. 21, 2013 photo, Ke$ha arrives at the iHeartRadio Music Festival, at the MGM Grand Garden Arena in Las Vegas. Ke$ha has checked into rehab to treat an eating disorder. The "Tik Tok" singer says in a statement provided by her spokesman Friday, Jan. 3, 2014 that she'll be unavailable for the next 30 days while she seeks treatment for an undisclosed eating disorder. (Photo by Eric Jamison/Invision/AP Images, File)